Table 5. OD values (600 nm) for cell protein estimation using Lowry's assay for CR-13 free cells.
| Initial cresol concentration (ppm) | ||||||||
| Time (h) | 500 | 1000 | 1500 | 2000 | 2500 | 3000 | 4000 | 5000 |
| OD at 600 nm with respect to time | ||||||||
| 3 | 0.244 | 0.197 | 0.191 | 0.178 | 0.171 | 0.155 | 0.149 | 0.132 |
| 6 | 0.422 | 0.331 | 0.269 | 0.225 | 0.204 | 0.182 | 0.15 | 0.135 |
| 9 | 0.542 | 0.461 | 0.372 | 0.298 | 0.254 | 0.216 | 0.155 | 0.14 |
| 12 | 0.542 | 0.516 | 0.469 | 0.384 | 0.304 | 0.263 | 0.16 | 0.149 |
| 24 | 0.55 | 0.553 | 0.532 | 0.475 | 0.382 | 0.322 | 0.17 | 0.155 |
| 48 | 0.56 | 0.554 | 0.54 | 0.532 | 0.486 | 0.431 | 0.17 | 0.157 |
| 72 | 0.55 | 0.56 | 0.55 | 0.54 | 0.52 | 0.494 | 0.173 | 0.16 |
| 96 | 0.56 | 0.55 | 0.55 | 0.55 | 0.53 | 0.499 | 0.172 | 0.167 |
| 120 | 0.55 | 0.554 | 0.553 | 0.552 | 0.535 | 0.51 | 0.17 | 0.165 |
| 168 | 0.55 | 0.55 | 0.554 | 0.553 | 0.539 | 0.512 | 0.17 | 0.16 |
| 192 | 0.55 | 0.55 | 0.55 | 0.552 | 0.53 | 0.52 | 0.169 | 0.16 |